2D Materials· 2014Q1
Deterministic transfer of two-dimensional materials by all-dry viscoelastic stamping
- 1,980citations
- Q1SCImago
- 2014year
Short summary
An all-dry transfer method using viscoelastic stamps deterministically positions 2D materials without wet chemistry, enabling clean, efficient fabrication of heterostructures.
AI-generated from the title and abstract; the full text is not read.
Key points
- Developed an all-dry transfer method for 2D materials using viscoelastic stamps.
- Eliminates the need for sacrificial polymer layers and wet chemistry.
- Avoids capillary forces, allowing free suspension of 2D materials.
- Process is quick, efficient, clean, and achieves high yield.
AI-generated from the title and abstract; the full text is not read.
Abstract
The deterministic transfer of two-dimensional crystals constitutes a crucial step towards the fabrication of heterostructures based on the artificial stacking of two-dimensional materials. Moreover, controlling the positioning of two-dimensional crystals facilitates their integration in complex devices, which enables the exploration of novel applications and the discovery of new phenomena in these materials. To date, deterministic transfer methods rely on the use of sacrificial polymer layers and wet chemistry to some extent. Here, we develop an all-dry transfer method that relies on viscoelastic stamps and does not employ any wet chemistry step. This is found to be very advantageous to freely suspend these materials as there are no capillary forces involved in the process. Moreover, the whole fabrication process is quick, efficient, clean and it can be performed with high yield.
The authors' abstract, as published at the source. 2D Materials, 2014 · DOI ↗
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Field: Biomedical Engineering
Biomedical EngineeringEngineering